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(UA) United Airlines 3520 On-Time Performance Rating

Date Range:

01-Jan-2026 to 28-Feb-2026

(ORF) Norfolk International Airport

Norfolk, VA, US

(IAD) Washington Dulles International Airport

Dulles, VA, US

On-Time Performance Chart

(using rounded numbers)
On-Time
18
75%
Late
1
4%
Very Late
0
0%
Excessive
2
8%
Cancelled
3
13%
Diverted
0
0%

Delay Statistics

(Aggregate Arrival Delay Statistics for this Flight)

Total Flights Observed
24
Total Delays ( > 1 min )
6
Codeshares
24
Average Delay (min.)
61.833333333333336
Standard Deviation
77.1
Min
0
Max
173

UA 3520 On-Time Performance Details

Overall Rating
1.3 of 5
Poor
Percentage On-Time 75%
Average Delay Time 61.833333333333336 min
FlightStats Rating is a merit measurement considering both on-time performance and delay severity. The score, 1.3 shows that this flight has on-time performance characteristics better than 25% of all other flights in the FlightStats database.
On-Time Performance Rating
2.1 of 5
Average
Percentage On-Time 75%
This flight has an on-time performance of 75%. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight is on-time more often than 42% of other flights.
Delay Performance
0.5 of 5
Very Poor
Average Delay Time 61.833333333333336 min
This flight has an average delay of 61.833333333333336 minutes with a standard deviation of 77.1 minutes. Statistically, when taking into consideration sample size, standard deviation, and mean, this flight has delay performance characteristics better than 10% of other flights.

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